Patent SG-11201809974W-A (SG)
Title: Apparatuses and methods for sensing temperature along a wellbore using resistive elements
Inventor: JARVIS LESLIE DAVID
IPC: E21B47/06
Filed: 2017-05-26
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) -C.-- -.` (19) World Intellectual Property Organization 111111111111111111 111111111101011111001010111110010111110110111111011110111111 International Bureau (10) International Publication Number 03 (43) International Publication Date ......\"' WO 2017/203296 Al 30 November 2017 (30.11.2017) WIPO I PCT (51) International Patent Classification: (74) Agent: HGF LIMITED (ABERDEEN); 1 City Walk, E21B 47/06 (2012.01) Leeds, West Yorkshire LS11 9DX (GB). (21) International Application Number: (81) Designated States (unless otherwise indicated, for every PCT/GB2017/051526 kind of national protection available): AE, AG, AL, AM, (22) International Filing Date: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, 26 May 2017 (26.05.2017) CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, (25) Filing Language: English HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, (26) Publication Language: English KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, (30) Priority Data: PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, 1609295.9 26 May 2016 (26.05.2016) GB SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (71) Applicant: METROL TECHNOLOGY LIMITED [GB/GB]; Unit 24, Kirkhill Place, Kirkhill Industrial Estate, (84) Designated States (unless otherwise indicated, for every Dyce, Aberdeen Aberdeenshire AB21 OGU (GB). kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, (72) Inventors: JARVIS, Leslie David; Liathach, Woodcot UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, Lane, Stonehaven Aberdeenshire AB39 2GJ (GB). ROSS, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, Shaun Compton; West Cults House, 493 North Deeside EE, ES, FL FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, — Road, Aberdeen Aberdeenshire AB15 9E5 (GB). MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, = = Title: APPARATUSES AND METHODS FOR SENSING TEMPERATURE ALONG A WELLBORE USING RESISTIVE (54) — = ELEMENTS = 110 = Actively heat temperature sensors = = 1101 = = = = = • = Monitor change of temperature during or after = heating = = 1102 = = • _ = Infer a well fluid characteristic from monitored change in temperature ,-, Figure 9 1103 (57) : Apparatus for use in sensing temperature in a wellbore, comprising: tubing comprising a plurality of temperature sensor ct. \" modules provided at locations along the inside of the tubing, said temperature sensor modules comprising temperature sensors provided M at least in part by at least one resistive element having electrical properties that vary with temperature; an electrical network configured © to electrically connect to the resistive elements to in use allow measuring of the respective electrical properties of the resistive elements N -... to infer a thermal characteristic of the resistive element; and at least one control module electrically connected to multiple temperature IN sensor modules, via the electrical network, and configured to receive and process an electrical signal associated with the temperature 1-1 © sensor modules to enable inference of the temperature of the resistive elements and the environment to which the tubing is exposed ei at the location of that resistive element. O [Continued on next page] WO 2017/203296 Al MIDEDIMOMMIDIRMEM00101011EMOMORODEVOIMIE TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3))